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All tagged nondestructive testing
The Rockwell hardness test is a non-destructive testing method performed by comparing depth of indentations. The test is defined in ASTM E-18 and ISO 6508-1. The hardness test is named after the inventor of the Rockwell hardness tester machine...
The process of 3D printing metal is very similar to welding and the same issues are generally present. Porosity, cracks, undercuts, and more problems can occur during a printing process. Certifying that the part will work as designed requires testing of the material as well as sample testing of the part. In order to guarantee these tests, prototyping a printing process is important.
